3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Foo {} class Bar extends Foo {} class FooCreator { public function create(FooAlias $foo) { } } $foo = new Bar; $creator = new FooCreator(); $creator->create($foo); class_alias('Foo', 'FooAlias'); hint_for_alias($foo);
based on Wej2u
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught TypeError: Argument 1 passed to FooCreator::create() must be an instance of FooAlias, instance of Bar given, called in /in/vnA9M on line 19 and defined in /in/vnA9M:9 Stack trace: #0 /in/vnA9M(19): FooCreator->create(Object(Bar)) #1 {main} thrown in /in/vnA9M on line 9
Process exited with code 255.
Output for 5.3.19 - 5.6.28
Catchable fatal error: Argument 1 passed to FooCreator::create() must be an instance of FooAlias, instance of Bar given, called in /in/vnA9M on line 19 and defined in /in/vnA9M on line 9
Process exited with code 255.